Are you looking for DAV Maths Solutions for class 7 then you are in right place, we have discussed the solution of the Secondary Mathematics book which is followed in all DAV School. Solutions are given below with proper Explanation please bookmark our website for further update !! All the Best !!

**Chapter 8 Worksheet 4 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics**

**1. The hypotenuse of a right triangle is 17 cm long. If one of the remaining two sides is of length 8 cm. find the length of the third side.**

**Answer 1:**

**2. The length of the hypotenuse of a right triangle is 13 cm. If one of the side of the triangle be 5 cm long, find the length of the other side.**

**Answer 2:**

**3. The length of two sides of a right triangle are equal. The square of the hypotenuse is 800 cm2. Find the length of the each side. **

**Answer 3:**

**4. Two poles of heights 6 m and 11 m stand on a plane ground. If the distance between their feet is 12 m, find the distance between their tops. **

**Answer 4:**

**5. Find the length of the diagonal of a rectangle whose sides are 15 cm and 8 cm. **

**Answer 5:**

**6. The foot of a ladder is 6 m away from a wall and Its top reaches a window 8 m above the ground. If the ladder Is shifted In such a way that Its foot Is 8 m away from the wall. to what height does Its top reach? **

**Answer 6:**

**7. A right angled triangle is isosceles. If the square of the hypotenuse is 50 m2, what is the length of each of Its sides? **

**Answer 7:**

**8. If the sides of a triangle are 3 m, 4 m and 6 m long, determine whether the triangle is 3 right angled triangle.**

**Answer 8:**

**9. Verify whether the following triplets are Pythagorean or not.(i) (8, 9, 10) **

(ii) (5, 7, 12)

(iii) (3, 4, 5)

**(iv) (5, 12, 13)**

**(v) (9, 12, 15)**

- Chapter 1 Rational Numbers | Class-7 DAV Secondary Mathematics
- Chapter 2 Operations on Rational Numbers | Class-7 DAV Secondary Mathematics
- Chapter 3 Rational Numbers as Decimals | Class-7 DAV Secondary Mathematics
- Chapter 4 Exponents and Powers | Class-7 DAV Secondary Mathematics
- Chapter 5 Application of Percentage | Class-7 DAV Secondary Mathematics
- Chapter 6 Algebraic Expressions | Class-7 DAV Secondary Mathematics
- Chapter 7 Linear Equations in One Variable | Class-7 DAV Secondary Mathematics
- Chapter 8 Triangle and Its Properties | Class-7 DAV Secondary Mathematics
- Chapter 9 Congruent Triangles | Class-7 DAV Secondary Mathematics
- Chapter 10 Construction of Triangles | Class-7 DAV Secondary Mathematics
- Chapter 11 Perimeter and Area | Class-7 DAV Secondary Mathematics
- Chapter 12 Data Handling | Class-7 DAV Secondary Mathematics
- Chapter 13 Symmetry | Class-7 DAV Secondary Mathematics
- Chapter 14 Visualising Solids | Class-7 DAV Secondary Mathematics